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Finding the Fourth Proportional to 17,785.60, 24,977.60 and 17,785.60

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Solution

The fourth proportional to 17,785.60, 24,977.60 and 17,785.60 is: 24,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,785.60 : 24,977.60 = 17,785.60 : x
  2. Step 2: Convert to fraction form
    17,785.60/24,977.60 = 17,785.60/x
  3. Step 3: Cross multiply
    17,785.60x = 24,977.60 × 17,785.60
  4. Step 4: Simplify right side
    17,785.60x = 444,241,602.56
  5. Step 5: Solve for x
    x = 444,241,602.56/17,785.60
  6. Step 6: Final answer
    x = 24,977.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.